msem-instigator

Gloam Gullet gets +1/+1 and has menace as long as you own a land card in exile or in your graveyard.

Trample
Gloamrazer Hydra enters with four +1/+1 counters on it.
Whenever a nontoken creature you control dies, if it was embattled, create an X/X green Hydra creature token, where X is that creature's power. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

Pressure {2}{B}{B} (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
When Gloomtide Whelk enters, all other creatures get -4/-4 until end of turn.

When Gloomy Waypoint enters, create a 1/1 black Scout creature token.
{T}: Add {W}, {B}, or {G}.

Flying
Whenever you cast a noncreature spell, create a 1/1 blue Faerie Rogue creature token with flying.
Whenever one or more creature tokens you control deal combat damage to a player, you may pay {G/U}. If you do, draw a card.

Flying
{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only any time you could cast a sorcery.

Equipped creature gets +6/+6.
If equipped creature would deal combat damage to a creature or planeswalker, instead gain control of that permanent for as long as you control Glorious Plate.
Equip {6}

Put target creature card from a graveyard onto the battlefield under your control. If that card was put into that graveyard this turn, it enters with an additional +1/+1 counter on it.

Target player draws two cards and loses 2 life. Up to one target creature seeks valor. (Give it that Oath Aura. Fulfill it by it dealing combat damage to a player to create a 2/1 white Soldier token.)

Whenever Glorybound Chorister attacks, put a +1/+1 counter on each other attacking creature you control.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Cycling {B} ({B}, Discard this card: Draw a card.)

When Glowskate Channeler enters, create a green Aura enchantment token named Manta's Wings attached to target creature. The token has enchant creature and “Enchanted creature gets +2/+2.”

When Glowspore Swarmgrounds enters, create two 1/1 blue Elemental creature tokens with flying.
Elementals you control get +1/+1.

{T}, Sacrifice a land: Draw a card.
When Glutton of Zhava dies, return all land cards from your graveyard to the battlefield tapped.
Foreshadow {4}{G}{G} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

When Gluttonous Empath enters, gain control of target nonland permanent for as long as you control Gluttonous Empath.

When Glymna Blackrune enters, exile target player's graveyard.
During each of your turns, you may cast a creature card exiled with Glymna Blackrune.

Prismatic — Whenever you cast a multicolored spell, you may discard a card. If you do, draw a card.

Whenever you cast an instant or sorcery spell, create a Treasure Clue token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color” and “{2}, Sacrifice this artifact: Draw a card.)

When Gnuge-District Hoarder enters, each opponent loses 1 life. You gain life equal to the life lost this way.
Paranoia {1}{B} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Target player discards two cards. Then exile that player's graveyard.

Pressure {1}{B} (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
Destroy target creature.

Goblin Exploration Team gets +1/+0 for each non-Mountain land you control.

When Goblin Sniper dies, you may pay {R}. If you do, it deals 2 damage to target opponent or planeswalker.